Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Hadley, MD

Individual provider Pulmonary Disease Physician · NPI 1750392437

John Hadley, MD is a Pulmonary Disease in Concord, California. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1978, 48 years ago. Practices with Diablo Pulmonary Medical Group Inc, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
48
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2299 Bacon St Ste 2
Concord, CA 94520-2050
Phone: (925) 676-2942
Fax: (925) 676-7108
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G40172 (CA)

Record details

NPI number1750392437
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESMarch 28, 2013
Mailing address2299 Bacon St, Suite 2, Concord, CA 94520-2050

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 1978 (48 years in practice)
Group practice Diablo Pulmonary Medical Group Inc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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